3550103478240 has 384 divisors, whose sum is σ = 12770384707584. Its totient is φ = 821135616000.

The previous prime is 3550103478203. The next prime is 3550103478247. The reversal of 3550103478240 is 428743010553.

It is a junction number, because it is equal to n+sod(n) for n = 3550103478192 and 3550103478201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3550103478247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11468539 + ... + 11774021.

It is an arithmetic number, because the mean of its divisors is an integer number (33256210176).

Almost surely, 2^{3550103478240} is an apocalyptic number.

3550103478240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3550103478240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6385192353792).

3550103478240 is an abundant number, since it is smaller than the sum of its proper divisors (9220281229344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3550103478240 is a wasteful number, since it uses less digits than its factorization.

3550103478240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305614 (or 305606 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

Adding to 3550103478240 its reverse (428743010553), we get a palindrome (3978846488793).

The spelling of 3550103478240 in words is "three trillion, five hundred fifty billion, one hundred three million, four hundred seventy-eight thousand, two hundred forty".